|Rank|Nation|Gold|Silver|Bronze|Total|
|---|---|---|---|---|---|
|1|Soviet Union|50|27|22|99|
|2|United States|33|31|30|94|
|3|East Germany (GDR)|20|23|23|66|
|4|West Germany (FRG)|13|11|16|40|
|5|Japan|13|8|8|29|
|6|Australia|8|7|2|17|
|7|Poland|7|5|9|21|
|8|Hungary|6|13|16|35|
|9|Bulgaria|6|10|5|21|
|10|Italy|5|3|10|18|

Question: how many nations won more than ten silver medals?
Answer: 5